| 3955043 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 271 TF target 264 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 192 / 280 |
Estimated T-Level: 23.4 ⓘ TF below 2^73 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Richard Workman | 3BFF355AF80416DC | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-11-17 | Lynn Baier | 3BFF355AF80416DC | 1841695 | Windows,Prime95,v18,(aka WU1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-31 | fordobr | B90AE31F4D4C1F59 | 1 | 1040245 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-31 | Will K | CERT | Proof certified good | | 2025-01-31 | fordobr | C-PRP | M3955043/121360769727128846551321 : B90AE31F4D4C1F59 Proof Certified Good Proof Power: 7
| | 2025-01-31 | fordobr | F-ECM | Factor: 121360769727128846551321 / ECM curve 30, B1=92900, B2=86472750, Edwards Sigma=7349968491665326 | | 2025-01-24 | Joss | NF-PM1 | B1=10449570, B2=26215679490 | | 2023-06-27 | Sid & Andy | NF-PM1 | B1=5200000, B2=16199353170 | | 2022-12-18 | Joss | NF-PM1 | B1=1000000, B2=481787460 | | 2022-10-09 | Joss | NF-PM1 | B1=1000000, B2=113097600 | | 2022-05-12 | Joss | NF-PM1 | B1=500000, B2=113097600 | | 2021-06-02 | -anonymous- | NF | no factor TF: 70-71 | | 2021-05-04 | axn | NF | no factor TF: 69-70 | | 2020-10-05 | TJAOI | NF | no factor TF: 68-69 | | 2019-01-07 | Yxinity | NF | no factor TF: 67-68 | | 2017-07-20 | Joss | NF-PM1 | B1=380160, B2=3801600, E=6 | | 2016-12-12 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-05-05 | Joss | NF-PM1 | B1=190080, B2=3421440, E=6 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2016-02-23 | Mark Rose | NF | no factor TF: 1-60 | | 2016-02-11 | ramgeis | NF | no factor TF: 65-66 | | 2015-01-18 | VictordeHollander | NF | no factor TF: 64-65 | | 2015-01-18 | VictordeHollander | NF | no factor TF: 63-64 | | 2014-11-17 | Joss | NF-PM1 | B1=86228 | | 2012-02-20 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2011-09-22 | Squeeky_Squirrel | NF-PM1 | B1=70000, B2=1190000, E=6 | | 2011-03-28 | Grant McCracken | NF | no factor TF: 61-62 | | 2009-08-02 | Carsten Kossendey | NF-PM1 | B1=20000, B2=285000 | | 2009-01-15 | Architects Cubed | NF | no factor TF: 60-61 | | 1999-11-17 | -anonymous- | C-LL | 3BFF355AF80416DC |
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